S J Appleyard 2008 Phys. Educ. 43 270 doi:10.1088/0031-9120/43/3/003
S J Appleyard
Show affiliationsPhotoelectrochemical cells using dye-sensitized ZnO with a Cu2+/Fe2+/Fe3+ electrolyte can be easily made at home or in a school classroom with household chemicals and other readily available materials. The cells, which are made with wire housed within plastic drinking straws, have open-circuit voltages of 0.5–0.7 V and short-circuit currents of about 0.5–2.5 mA cm−2. Step-by-step instructions are provided on how to construct the photoelectrochemical cells, as are suggestions about how to use the cells to explore some concepts associated with utilizing solar energy.
01.50.Pa Laboratory experiments and apparatus
Issue 3 (May 2008)
Received 30 July 2007, in final form 2 November 2007
S J Appleyard 2008 Phys. Educ. 43 270
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